<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Title</title>
</head>
<body>
<script>
    var MyModules = (function Manager() {//啥意思啊  这代码
        var modules = {};
        function define(name, deps, impl) {
            for (var i=0; i<deps.length; i++) {
                deps[i] = modules[deps[i]];
            }
            modules[name] = impl.apply( impl, deps );
        }
        function get(name) {
            return modules[name];
        }return {
            define: define,
            get: get
        };
    })();
    MyModules.define( "bar", [], function() {
        function hello(who) {
            return "Let me introduce: " + who;
        }
        return {
            hello: hello
        };
    } );
    MyModules.define( "foo", ["bar"], function(bar) {
        var hungry = "hippo";
        function awesome() {
            console.log( bar.hello( hungry ).toUpperCase() );
        }
        return {
            awesome: awesome
        };
    } );
    var bar = MyModules.get( "bar" );
    var foo = MyModules.get( "foo" );
    console.log(
        bar.hello( "hippo" )
    ); // Let me introduce: hippo
    foo.awesome(); // LET ME INTRODUCE: HIPPO
</script>
</body>
</html>